iommu: Fix a spelling error

Fix spelling error IDENITY -> IDENTITY in
drivers/iommu/iommu.c.

Signed-off-by: Easwar Hariharan <eahariha@linux.microsoft.com>
Reviewed-by: Jason Gunthorpe <jgg@nvidia.com>
Link: https://lore.kernel.org/r/20250128190522.70800-1-eahariha@linux.microsoft.com
[ joro: Add commit message ]
Signed-off-by: Joerg Roedel <jroedel@suse.de>

Author: easwarh

drivers/iommu/iommu.c

@@ -1756,7 +1756,7 @@ static int iommu_get_def_domain_type(struct iommu_group *group,
 		group->id);
 
 	/*
-	 * Try to recover, drivers are allowed to force IDENITY or DMA, IDENTITY
+	 * Try to recover, drivers are allowed to force IDENTITY or DMA, IDENTITY
 	 * takes precedence.
 	 */
 	if (type == IOMMU_DOMAIN_IDENTITY)